Belvidere, IL Weather Forecast
Local 7-day forecast
Partly Sunny
Track current conditions, temperature changes, wind, and the full daily outlook for Belvidere, IL in one place.
Partly sunny, with a high near 81. South wind 0 to 10 mph.
Local Weather Overview
This forecast page for Belvidere, IL is designed for quick trip planning, giving you a clean read on daytime highs, overnight lows, and changing conditions across the upcoming forecast window. Latest sync: Jul 23, 2026 9:41 AM CDT.
The active forecast window currently covers Jul 24 to Jul 29, 2026 for Belvidere, IL.
Page Snapshot
- Page focus
- city weather
- Forecast window
- Jul 24 to Jul 29, 2026
- Latest sync
- Jul 23, 2026 9:41 AM CDT
- Forecast office
- LOT
- Source
- NOAA / NWS
Daily Outlook
This Week in Belvidere
Monday looks like the warmest upcoming period in Belvidere at 92 degrees F.
Friday Night is the coolest period ahead with temperatures near 58 degrees F.
The strongest winds are forecast for Monday at about 5 to 15 mph SW.
Precipitation is mentioned in 4 upcoming forecast periods.
Forecast Details
- Last updated
- Jul 23, 2026 9:41 AM CDT
- Coverage
- 6 days
- Time zone
- America/Chicago
- Forecast office
- LOT
- Radar station
- KMKX
Weather data is provided by the National Weather Service and refreshed automatically for U.S. locations.
Open NOAA sourceExtended Forecast
Partly cloudy, with a low around 58. South southwest wind 0 to 5 mph, with gusts as high as 15 mph.
Partly sunny, with a high near 83. South southwest wind 0 to 10 mph.
Partly cloudy, with a low around 67.
Mostly sunny, with a high near 90.
A chance of showers and thunderstorms after 1am. Partly cloudy, with a low around 71.
A chance of showers and thunderstorms before 1pm, then a slight chance of showers and thunderstorms. Mostly sunny, with a high near 92.
A slight chance of showers and thunderstorms. Partly cloudy, with a low around 68.
A slight chance of rain showers before 7am. Sunny, with a high near 87.
Mostly clear, with a low around 63.
Sunny, with a high near 85.
Mostly clear, with a low around 63.
Detailed Forecast
| Period | Conditions | Temp | Wind |
|---|---|---|---|
|
Friday
Jul 24
|
Partly Sunny
|
81°F |
0 to 10 mph
S
|
|
Friday Night
Jul 24
|
Partly Cloudy
|
58°F |
0 to 5 mph
SSW
|
|
Saturday
Jul 25
|
Partly Sunny
|
83°F |
0 to 10 mph
SSW
|
|
Saturday Night
Jul 25
|
Partly Cloudy
|
67°F |
0 to 5 mph
SW
|
|
Sunday
Jul 26
|
Mostly Sunny
|
90°F |
0 to 10 mph
SW
|
|
Sunday Night
Jul 26
|
Partly Cloudy then Chance Showers And Thunderstorms
|
71°F |
5 to 10 mph
SW
|
|
Monday
Jul 27
|
Chance Showers And Thunderstorms
|
92°F |
5 to 15 mph
SW
|
|
Monday Night
Jul 27
|
Slight Chance Showers And Thunderstorms
|
68°F |
5 to 10 mph
NW
|
|
Tuesday
Jul 28
|
Slight Chance Rain Showers then Sunny
|
87°F |
5 to 10 mph
N
|
|
Tuesday Night
Jul 28
|
Mostly Clear
|
63°F |
0 to 5 mph
NE
|
|
Wednesday
Jul 29
|
Sunny
|
85°F |
0 to 5 mph
N
|
|
Wednesday Night
Jul 29
|
Mostly Clear
|
63°F |
0 to 5 mph
ENE
|
Nearby Forecasts
Explore weather pages for nearby cities and major places around Belvidere.
